jawabkan beserta Cara nya no 1

jawabannya D


[tex] \frac{ \frac{5}{6} x - 8}{ \frac{3}{7}(x - 5) } = \frac{2}{3} \\ 3( \frac{5}{6} x - 8) = 2. \frac{3}{7} (x - 5) \\ \frac{15}{6} x - 24 = \frac{6}{7} x - \frac{30}{7} \\ \frac{15}{6} x - \frac{6}{7} x = - \frac{30}{7} + 24 \\ \frac{105}{42} x - \frac{36}{42}x = \frac{ - 30 + 168}{7} \\ \frac{69}{42} x = \frac{138}{7} \\ x = \frac{138}{7} \times \frac{42}{69} \\ \\ \\ 7 \: coret \: 42 \\ 138 \: coret \: 69 \\ \\ x = 2 \times 6 = 12[/tex]

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